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# -*- encoding: utf-8 -*-
require 'spec_helper'
describe "Numeric helpers" do
before :each do
@controller = NumericExtSpecs.new(Merb::Request.new({}))
end
describe "with_delimiter" do
before(:each) do
@number = 12345678
end
it "should use the default formatting for numbers" do
@number.with_delimiter.should == "12,345,678"
@number.with_delimiter.should == @number.with_delimiter(:us)
end
it "should support passing another format" do
@number.with_delimiter(:fr).should == "12 345 678"
end
it "should support passing overwriting options" do
@number.with_delimiter(:fr, :delimiter => ',').should == "12,345,678"
12345678.9.with_delimiter(:fr, :separator => ' et ').should == "12 345 678 et 9"
end
end
describe "with_precision" do
it "should use a default precision" do
111.2345.with_precision.should == "111.235"
end
it "should support other precision formats" do
111.2345.with_precision(:uk).should == "111.235"
end
it "should support overwriting precision options" do
111.2345.with_precision(:uk, :precision => 1).should == "111.2"
1234.567.with_precision(:us, :precision => 1, :separator => ',', :delimiter => '-').should == "1-234,6"
end
end
describe "to_concurrency" do
before(:each) do
@number = 1234567890.50
end
it "should use the US$ by default" do
@number.to_currency.should == "$1,234,567,890.50"
@number.to_currency.should == @number.to_currency(:us)
@number.to_currency.should == @number.to_currency(:default)
result = @controller.render :to_concurrency_default
result.should == "$1,234,567,890.50"
end
it "should use the precision settings of the format" do
1234567890.506.to_currency(:us).should == "$1,234,567,890.51"
end
it "should support other formats" do
@number.to_currency(:uk).should == "£1,234,567,890.50"
@number.to_currency(:fr).should == "1 234 567 890,50€"
end
it "should support overwriting options" do
1234567890.506.to_currency(:us, :precision => 1).should == "$1,234,567,890.5"
1234567890.516.to_currency(:us, :unit => "€").should == "€1,234,567,890.52"
1234567890.506.to_currency(:us, :precision => 3, :unit => "€").should == "€1,234,567,890.506"
1234567890.506.to_currency(:aus, :unit => "$AUD", :format => '%n %u').should == "1,234,567,890.51 $AUD"
end
end
describe "Numeric::Transformer formats" do
it "should be able to add a new format" do
Numeric::Transformer.default_format.should be_instance_of(Hash)
end
it "should be able to change the default format" do
original_default_format = Numeric::Transformer.default_format
original_default_format[:currency][:unit].should == "$"
Numeric::Transformer.change_default_format(:fr)
Numeric::Transformer.default_format.should_not == original_default_format
Numeric::Transformer.default_format[:currency][:unit].should == "€"
end
it "should be able to add a format" do
merb_format = {:merb =>
{ :number => {
:precision => 3,
:delimiter => ' ',
:separator => ','
},
:currency => {
:unit => 'Merbollars',
:format => '%n %u',
:precision => 2
}
}
}
Numeric::Transformer.add_format(merb_format)
Numeric::Transformer.change_default_format(:merb)
12345.to_currency.should == "12 345,00 Merbollars"
end
end
describe "other misc numeric helpers" do
describe "two_digits" do
it "should convert a numeric value in a 2 digit string (prepend with a zero if needed)" do
7.two_digits.should == "07"
result = @controller.render :two_digits
result.should == "07"
end
end
describe "minutes_to_hours" do
it "should convert a number of minutes into an hour representation" do
result = @controller.render :minutes_to_hours
result.should == "05:15"
end
end
end
end
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